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From: Bob McMahon <bob.mcmahon@broadcom.com>
Date: Sat, 4 Aug 2018 10:55:35 -0700
Message-ID: <CAHb6Lvrbf5gggkNvorMGD+=UOsNAkfsV7JwUnRErOti7TLmmSQ@mail.gmail.com>
To: Make-Wifi-fast <make-wifi-fast@lists.bufferbloat.net>
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Subject: [Make-wifi-fast] Netpower, iper2, BBR
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FYI, I've added a netpower metric to iperf 2.

Below are two runs over wired GigE comparing Google's BBR
<https://ai.google/research/pubs/pub45646> with cubic.  Note, for the
network power the delay units are microseconds while the throughput are
seconds.

*Internet Access Runs (uplink)*

*A cubic run, netpower of 7.56*

[root@rjm-clubhouse-28 rjmcmahon]# echo "cubic" >
/proc/sys/net/ipv4/tcp_congestion_control
[root@rjm-clubhouse-28 rjmcmahon]# iperf -c mail.rjmcmahon.com -e -i 1
------------------------------------------------------------
Client connecting to mail.rjmcmahon.com, TCP port 5001 with pid 26458
Write buffer size:  128 KByte
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[  3] local 192.168.100.10 port 40932 connected with 45.33.58.123 port 5001
[ ID] Interval        Transfer    Bandwidth       Write/Err  Rtry
 Cwnd/RTT        NetPwr
[  3] 0.00-1.00 sec  2.62 MBytes  22.0 Mbits/sec  21/0          0
308K/200486 us  13.73
[  3] 1.00-2.00 sec  2.00 MBytes  16.8 Mbits/sec  16/0          0
397K/258738 us  8.11
[  3] 2.00-3.00 sec  1.48 MBytes  12.4 Mbits/sec  13/0         13
301K/198417 us  7.82
[  3] 3.00-4.00 sec  1.49 MBytes  12.5 Mbits/sec  13/0          0
343K/229095 us  6.83
[  3] 4.00-5.00 sec  1.43 MBytes  12.0 Mbits/sec  12/0         12
343K/243296 us  6.16
[  3] 5.00-6.00 sec  1.49 MBytes  12.5 Mbits/sec  13/0          6
279K/187902 us  8.32
[  3] 6.00-7.00 sec  1.43 MBytes  12.0 Mbits/sec  12/0          0
301K/204321 us  7.33
[  3] 7.00-8.00 sec  1.37 MBytes  11.5 Mbits/sec  12/0          0
312K/213675 us  6.71
[  3] 8.00-9.00 sec  1.43 MBytes  12.0 Mbits/sec  12/0          0
316K/219227 us  6.84
[  3] 9.00-10.00 sec  1.43 MBytes  12.0 Mbits/sec  12/0          0
316K/216670 us  6.92
[  3] 0.00-10.33 sec  16.2 MBytes  13.1 Mbits/sec  136/0         31
316K/217136 us  7.56

*A  run with BBR, netpower 55.36*

[root@rjm-clubhouse-28 rjmcmahon]# echo "bbr" >
/proc/sys/net/ipv4/tcp_congestion_control
[root@rjm-clubhouse-28 rjmcmahon]# iperf -c mail.rjmcmahon.com -e -i 1
------------------------------------------------------------
Client connecting to mail.rjmcmahon.com, TCP port 5001 with pid 26499
Write buffer size:  128 KByte
TCP window size:  128 KByte (default)
------------------------------------------------------------
[  3] local 192.168.100.10 port 40938 connected with 45.33.58.123 port 5001
[ ID] Interval        Transfer    Bandwidth       Write/Err  Rtry
 Cwnd/RTT        NetPwr
[  3] 0.00-1.00 sec  2.88 MBytes  24.1 Mbits/sec  23/0          0
 48K/28064 us  107.42
[  3] 1.00-2.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 45K/29419 us  53.46
[  3] 2.00-3.00 sec  1.00 MBytes  8.39 Mbits/sec  8/0          0
 45K/29583 us  35.45
[  3] 3.00-4.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 45K/27487 us  57.22
[  3] 4.00-5.00 sec  1.38 MBytes  11.5 Mbits/sec  11/0          0
 48K/31117 us  46.33
[  3] 5.00-6.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 45K/19685 us  79.90
[  3] 6.00-7.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 45K/29370 us  53.55
[  3] 7.00-8.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 45K/27022 us  58.21
[  3] 8.00-9.00 sec  1.50 MBytes  12.6 Mbits/sec  12/0          0
 48K/31072 us  50.62
[  3] 9.00-10.00 sec  1.00 MBytes  8.39 Mbits/sec  8/0          0
5K/31941 us  32.83
[  3] 0.00-10.03 sec  15.2 MBytes  12.7 Mbits/sec  122/0          0
5K/28791 us  55.36


*Local Wired Wthernet Runs*

*A cubic run, netpower of 53532*

[root@rjm-clubhouse-28 iperf2-code]# uname -r
4.17.9-200.fc28.x86_64
[root@rjm-clubhouse-28 iperf2-code]# echo "cubic" >
/proc/sys/net/ipv4/tcp_congestion_control
[root@rjm-clubhouse-28 iperf2-code]# iperf -c 192.168.100.33 -e -i 1
------------------------------------------------------------
Client connecting to 192.168.100.33, TCP port 5001 with pid 17263
Write buffer size:  128 KByte
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[  3] local 192.168.100.10 port 56218 connected with 192.168.100.33 port
5001
[ ID] Interval        Transfer    Bandwidth       Write/Err  Rtry
 Cwnd/RTT        NetPwr
[  3] 0.00-1.00 sec   113 MBytes   947 Mbits/sec  903/0          0
373K/2231 us  53051.55
[  3] 1.00-2.00 sec   112 MBytes   937 Mbits/sec  894/0          0
373K/2107 us  55613.84
[  3] 2.00-3.00 sec   112 MBytes   937 Mbits/sec  894/0          0
373K/2205 us  53142.12
[  3] 3.00-4.00 sec   112 MBytes   938 Mbits/sec  895/0          0
373K/2194 us  53468.30
[  3] 4.00-5.00 sec   111 MBytes   932 Mbits/sec  889/0          0
373K/2181 us  53426.41
[  3] 5.00-6.00 sec   112 MBytes   940 Mbits/sec  896/0          0
373K/2221 us  52877.31
[  3] 6.00-7.00 sec   112 MBytes   940 Mbits/sec  896/0          0
373K/2198 us  53430.62
[  3] 7.00-8.00 sec   111 MBytes   933 Mbits/sec  890/0          0
373K/2203 us  52952.37
[  3] 8.00-9.00 sec   111 MBytes   934 Mbits/sec  891/0          0
373K/2169 us  53842.85
[  3] 9.00-10.00 sec   112 MBytes   941 Mbits/sec  897/0          0
373K/2187 us  53759.30
[  3] 0.00-10.01 sec  1.09 GBytes   937 Mbits/sec  8945/0          0
373K/2189 us  53532.01


*A  run with BBR, netpower 72071*
[root@rjm-clubhouse-28 iperf2-code]# iperf -c 192.168.100.33 -e -i 1
------------------------------------------------------------
Client connecting to 192.168.100.33, TCP port 5001 with pid 18312
Write buffer size:  128 KByte
TCP window size:  128 KByte (default)
------------------------------------------------------------
[  3] local 192.168.100.10 port 56238 connected with 192.168.100.33 port
5001
[ ID] Interval        Transfer    Bandwidth       Write/Err  Rtry
 Cwnd/RTT        NetPwr
[  3] 0.00-1.00 sec   114 MBytes   956 Mbits/sec  912/0          0
274K/1644 us  72711.47
[  3] 1.00-2.00 sec   111 MBytes   933 Mbits/sec  890/0          0
271K/1619 us  72053.17
[  3] 2.00-3.00 sec   112 MBytes   937 Mbits/sec  894/0          0
274K/1720 us  68126.96
[  3] 3.00-4.00 sec   112 MBytes   938 Mbits/sec  895/0          0
271K/1599 us  73364.25
[  3] 4.00-5.00 sec   112 MBytes   938 Mbits/sec  895/0          0
274K/1603 us  73181.19
[  3] 5.00-6.00 sec   111 MBytes   930 Mbits/sec  887/0          0
271K/1609 us  72256.60
[  3] 6.00-7.00 sec   112 MBytes   940 Mbits/sec  896/0          0
274K/1579 us  74376.51
[  3] 7.00-8.00 sec   112 MBytes   937 Mbits/sec  894/0          0
274K/1615 us  72556.27
[  3] 8.00-9.00 sec   112 MBytes   935 Mbits/sec  892/0          0
274K/1646 us  71030.51
^C[  3] 0.00-9.49 sec  1.04 GBytes   938 Mbits/sec  8489/0          0
271K/1627 us  72071.69

Bob

--0000000000005bbcb805729fc0b2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">FYI, I&#39;ve added a netpower metric to iperf 2.<br><br><=
div style=3D"font-size:12.8px;text-decoration-style:initial;text-decoration=
-color:initial">Below are two runs over wired GigE comparing<span>=C2=A0</s=
pan><a href=3D"https://ai.google/research/pubs/pub45646" target=3D"_blank" =
style=3D"color:rgb(17,85,204)">Google&#39;s BBR</a><span>=C2=A0</span>with =
cubic.=C2=A0 Note, for the network power the delay units are microseconds w=
hile the throughput are seconds.=C2=A0 =C2=A0</div><div style=3D"font-size:=
12.8px;text-decoration-style:initial;text-decoration-color:initial"><div cl=
ass=3D"gmail_extra"><br><b style=3D"text-decoration-line:underline">Interne=
t Access Runs (uplink)</b><br><div class=3D"gmail_extra" style=3D""><b styl=
e=3D"background-color:rgb(255,255,255);text-decoration-style:initial;text-d=
ecoration-color:initial"><u><br>A cubic run,<span>=C2=A0</span><span style=
=3D"background-color:rgb(255,255,0)">netpower of 7.56</span></u></b></div><=
div class=3D"gmail_extra" style=3D""><b><u><br></u></b>[root@rjm-clubhouse-=
28 rjmcmahon]# echo &quot;cubic&quot; &gt; /proc/sys/net/ipv4/tcp_congestio=
n_control</div><div class=3D"gmail_extra" style=3D"">[root@rjm-clubhouse-28=
 rjmcmahon]# iperf -c <a href=3D"http://mail.rjmcmahon.com">mail.rjmcmahon.=
com</a> -e -i 1</div><div class=3D"gmail_extra" style=3D"">----------------=
--------------------------------------------</div><div class=3D"gmail_extra=
" style=3D"">Client connecting to <a href=3D"http://mail.rjmcmahon.com">mai=
l.rjmcmahon.com</a>, TCP port 5001 with pid 26458</div><div class=3D"gmail_=
extra" style=3D"">Write buffer size:=C2=A0 128 KByte</div><div class=3D"gma=
il_extra" style=3D"">TCP window size: 85.0 KByte (default)</div><div class=
=3D"gmail_extra" style=3D"">-----------------------------------------------=
-------------</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] local 1=
92.168.100.10 port 40932 connected with 45.33.58.123 port 5001</div><div cl=
ass=3D"gmail_extra" style=3D"">[ ID] Interval=C2=A0 =C2=A0 =C2=A0 =C2=A0 Tr=
ansfer=C2=A0 =C2=A0 Bandwidth=C2=A0 =C2=A0 =C2=A0 =C2=A0Write/Err=C2=A0 Rtr=
y=C2=A0 =C2=A0 =C2=A0Cwnd/RTT=C2=A0 =C2=A0 =C2=A0 =C2=A0 NetPwr</div><div c=
lass=3D"gmail_extra" style=3D"">[=C2=A0 3] 0.00-1.00 sec=C2=A0 2.62 MBytes=
=C2=A0 22.0 Mbits/sec=C2=A0 21/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =
=C2=A0 =C2=A0 308K/200486 us=C2=A0 13.73</div><div class=3D"gmail_extra" st=
yle=3D"">[=C2=A0 3] 1.00-2.00 sec=C2=A0 2.00 MBytes=C2=A0 16.8 Mbits/sec=C2=
=A0 16/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 397K/25873=
8 us=C2=A0 8.11</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 2.00-=
3.00 sec=C2=A0 1.48 MBytes=C2=A0 12.4 Mbits/sec=C2=A0 13/0=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A013=C2=A0 =C2=A0 =C2=A0 301K/198417 us=C2=A0 7.82</div><div=
 class=3D"gmail_extra" style=3D"">[=C2=A0 3] 3.00-4.00 sec=C2=A0 1.49 MByte=
s=C2=A0 12.5 Mbits/sec=C2=A0 13/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0=
 =C2=A0 =C2=A0 343K/229095 us=C2=A0 6.83</div><div class=3D"gmail_extra" st=
yle=3D"">[=C2=A0 3] 4.00-5.00 sec=C2=A0 1.43 MBytes=C2=A0 12.0 Mbits/sec=C2=
=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A012=C2=A0 =C2=A0 =C2=A0 343K/24329=
6 us=C2=A0 6.16</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 5.00-=
6.00 sec=C2=A0 1.49 MBytes=C2=A0 12.5 Mbits/sec=C2=A0 13/0=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 6=C2=A0 =C2=A0 =C2=A0 279K/187902 us=C2=A0 8.32</div><div=
 class=3D"gmail_extra" style=3D"">[=C2=A0 3] 6.00-7.00 sec=C2=A0 1.43 MByte=
s=C2=A0 12.0 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0=
 =C2=A0 =C2=A0 301K/204321 us=C2=A0 7.33</div><div class=3D"gmail_extra" st=
yle=3D"">[=C2=A0 3] 7.00-8.00 sec=C2=A0 1.37 MBytes=C2=A0 11.5 Mbits/sec=C2=
=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 312K/21367=
5 us=C2=A0 6.71</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 8.00-=
9.00 sec=C2=A0 1.43 MBytes=C2=A0 12.0 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 316K/219227 us=C2=A0 6.84</div><div=
 class=3D"gmail_extra" style=3D"">[=C2=A0 3] 9.00-10.00 sec=C2=A0 1.43 MByt=
es=C2=A0 12.0 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=
=A0 =C2=A0 =C2=A0 316K/216670 us=C2=A0 6.92</div><div class=3D"gmail_extra"=
 style=3D"">[=C2=A0 3] 0.00-10.33 sec=C2=A0 16.2 MBytes=C2=A0 13.1 Mbits/se=
c=C2=A0 136/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A031=C2=A0 =C2=A0 =C2=A0 316K/=
217136 us=C2=A0 7.56</div><div class=3D"gmail_extra" style=3D""><br><b styl=
e=3D"text-decoration-style:initial;text-decoration-color:initial;background=
-color:rgb(255,255,255)"><u>A=C2=A0 run with BBR,<span>=C2=A0</span><span s=
tyle=3D"background-color:rgb(255,255,0)">netpower 55.36</span></u></b></div=
><div class=3D"gmail_extra" style=3D""><b><u><br></u></b>[root@rjm-clubhous=
e-28 rjmcmahon]# echo &quot;bbr&quot; &gt; /proc/sys/net/ipv4/tcp_congestio=
n_control</div><div class=3D"gmail_extra" style=3D"">[root@rjm-clubhouse-28=
 rjmcmahon]# iperf -c <a href=3D"http://mail.rjmcmahon.com">mail.rjmcmahon.=
com</a> -e -i 1</div><div class=3D"gmail_extra" style=3D"">----------------=
--------------------------------------------</div><div class=3D"gmail_extra=
" style=3D"">Client connecting to <a href=3D"http://mail.rjmcmahon.com">mai=
l.rjmcmahon.com</a>, TCP port 5001 with pid 26499</div><div class=3D"gmail_=
extra" style=3D"">Write buffer size:=C2=A0 128 KByte</div><div class=3D"gma=
il_extra" style=3D"">TCP window size:=C2=A0 128 KByte (default)</div><div c=
lass=3D"gmail_extra" style=3D"">-------------------------------------------=
-----------------</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] loc=
al 192.168.100.10 port 40938 connected with 45.33.58.123 port 5001</div><di=
v class=3D"gmail_extra" style=3D"">[ ID] Interval=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 Transfer=C2=A0 =C2=A0 Bandwidth=C2=A0 =C2=A0 =C2=A0 =C2=A0Write/Err=C2=
=A0 Rtry=C2=A0 =C2=A0 =C2=A0Cwnd/RTT=C2=A0 =C2=A0 =C2=A0 =C2=A0 NetPwr</div=
><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 0.00-1.00 sec=C2=A0 2.88 =
MBytes=C2=A0 24.1 Mbits/sec=C2=A0 23/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=
=C2=A0 =C2=A0 =C2=A0 =C2=A048K/28064 us=C2=A0 107.42</div><div class=3D"gma=
il_extra" style=3D"">[=C2=A0 3] 1.00-2.00 sec=C2=A0 1.50 MBytes=C2=A0 12.6 =
Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=
=A0 =C2=A045K/29419 us=C2=A0 53.46</div><div class=3D"gmail_extra" style=3D=
"">[=C2=A0 3] 2.00-3.00 sec=C2=A0 1.00 MBytes=C2=A0 8.39 Mbits/sec=C2=A0 8/=
0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =C2=A045K/29583 u=
s=C2=A0 35.45</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 3.00-4.=
00 sec=C2=A0 1.50 MBytes=C2=A0 12.6 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =C2=A045K/27487 us=C2=A0 57.22</div=
><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 4.00-5.00 sec=C2=A0 1.38 =
MBytes=C2=A0 11.5 Mbits/sec=C2=A0 11/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=
=C2=A0 =C2=A0 =C2=A0 =C2=A048K/31117 us=C2=A0 46.33</div><div class=3D"gmai=
l_extra" style=3D"">[=C2=A0 3] 5.00-6.00 sec=C2=A0 1.50 MBytes=C2=A0 12.6 M=
bits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0=
 =C2=A045K/19685 us=C2=A0 79.90</div><div class=3D"gmail_extra" style=3D"">=
[=C2=A0 3] 6.00-7.00 sec=C2=A0 1.50 MBytes=C2=A0 12.6 Mbits/sec=C2=A0 12/0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =C2=A045K/29370 us=
=C2=A0 53.55</div><div class=3D"gmail_extra" style=3D"">[=C2=A0 3] 7.00-8.0=
0 sec=C2=A0 1.50 MBytes=C2=A0 12.6 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =C2=A045K/27022 us=C2=A0 58.21</div><d=
iv class=3D"gmail_extra" style=3D"">[=C2=A0 3] 8.00-9.00 sec=C2=A0 1.50 MBy=
tes=C2=A0 12.6 Mbits/sec=C2=A0 12/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=
=A0 =C2=A0 =C2=A0 =C2=A048K/31072 us=C2=A0 50.62</div><div class=3D"gmail_e=
xtra" style=3D"">[=C2=A0 3] 9.00-10.00 sec=C2=A0 1.00 MBytes=C2=A0 8.39 Mbi=
ts/sec=C2=A0 8/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =
=C2=A0 5K/31941 us=C2=A0 32.83</div><div class=3D"gmail_extra" style=3D"">[=
=C2=A0 3] 0.00-10.03 sec=C2=A0 15.2 MBytes=C2=A0 12.7 Mbits/sec=C2=A0 122/0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =C2=A0 5K/28791 us=
=C2=A0 55.36</div><div style=3D"text-decoration-line:underline;font-weight:=
bold"><br></div><br><b style=3D"text-decoration-line:underline">Local Wired=
 Wthernet Runs</b></div><div class=3D"gmail_extra"><b><u><br>A cubic run,<s=
pan>=C2=A0</span><span style=3D"background-color:rgb(255,255,0)">netpower o=
f 53532</span></u></b></div><div class=3D"gmail_extra"><br></div><div class=
=3D"gmail_extra"><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34);fo=
nt-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-=
ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:no=
rmal;text-align:start;text-indent:0px;text-transform:none;white-space:norma=
l;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:=
initial;text-decoration-color:initial">[root@rjm-clubhouse-28 iperf2-code]#=
 uname -r</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font=
-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-li=
gatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:norm=
al;text-align:start;text-indent:0px;text-transform:none;white-space:normal;=
word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:in=
itial;text-decoration-color:initial">4.17.9-200.fc28.x86_64</div><div class=
=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;=
font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-varia=
nt-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-=
indent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgrou=
nd-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-col=
or:initial">[root@rjm-clubhouse-28 iperf2-code]# echo &quot;cubic&quot; &gt=
; /proc/sys/net/ipv4/tcp_congest<wbr>ion_control</div><div class=3D"gmail_e=
xtra" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:1=
2.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:nor=
mal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;=
text-transform:none;white-space:normal;word-spacing:0px;background-color:rg=
b(255,255,255);text-decoration-style:initial;text-decoration-color:initial"=
>[root@rjm-clubhouse-28 iperf2-code]# iperf -c 192.168.100.33 -e -i 1=C2=A0=
</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:a=
rial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:n=
ormal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-a=
lign:start;text-indent:0px;text-transform:none;white-space:normal;word-spac=
ing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;tex=
t-decoration-color:initial">------------------------------<wbr>------------=
------------------</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34=
,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-v=
ariant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spa=
cing:normal;text-align:start;text-indent:0px;text-transform:none;white-spac=
e:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration=
-style:initial;text-decoration-color:initial">Client connecting to 192.168.=
100.33, TCP port 5001 with pid 17263</div><div class=3D"gmail_extra" style=
=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-=
style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-we=
ight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transf=
orm:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,2=
55);text-decoration-style:initial;text-decoration-color:initial">Write buff=
er size:=C2=A0 128 KByte</div><div class=3D"gmail_extra" style=3D"color:rgb=
(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;=
font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;lett=
er-spacing:normal;text-align:start;text-indent:0px;text-transform:none;whit=
e-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-deco=
ration-style:initial;text-decoration-color:initial">TCP window size: 85.0 K=
Byte (default)</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34)=
;font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-varia=
nt-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing=
:normal;text-align:start;text-indent:0px;text-transform:none;white-space:no=
rmal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-sty=
le:initial;text-decoration-color:initial">------------------------------<wb=
r>------------------------------</div><div class=3D"gmail_extra" style=3D"c=
olor:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style=
:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:=
400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:n=
one;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);t=
ext-decoration-style:initial;text-decoration-color:initial">[=C2=A0 3] loca=
l 192.168.100.10 port 56218 connected with 192.168.100.33 port 5001</div><d=
iv class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:arial,san=
s-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;fo=
nt-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:sta=
rt;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;=
background-color:rgb(255,255,255);text-decoration-style:initial;text-decora=
tion-color:initial">[ ID] Interval=C2=A0 =C2=A0 =C2=A0 =C2=A0 Transfer=C2=
=A0 =C2=A0 Bandwidth=C2=A0 =C2=A0 =C2=A0 =C2=A0Write/Err=C2=A0 Rtry=C2=A0 =
=C2=A0 =C2=A0Cwnd/RTT=C2=A0 =C2=A0 =C2=A0 =C2=A0 NetPwr</div><div class=3D"=
gmail_extra" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font=
-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-c=
aps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-inde=
nt:0px;text-transform:none;white-space:normal;word-spacing:0px;background-c=
olor:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:i=
nitial">[=C2=A0 3] 0.00-1.00 sec=C2=A0 =C2=A0113 MBytes=C2=A0 =C2=A0947 Mbi=
ts/sec=C2=A0 903/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 =
373K/2231 us=C2=A0 53051.55</div><div class=3D"gmail_extra" style=3D"color:=
rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:norm=
al;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;l=
etter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;w=
hite-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-d=
ecoration-style:initial;text-decoration-color:initial">[=C2=A0 3] 1.00-2.00=
 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0937 Mbits/sec=C2=A0 894/0=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2107 us=C2=A0 55613.84<=
/div><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:ar=
ial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:no=
rmal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-al=
ign:start;text-indent:0px;text-transform:none;white-space:normal;word-spaci=
ng:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text=
-decoration-color:initial">[=C2=A0 3] 2.00-3.00 sec=C2=A0 =C2=A0112 MBytes=
=C2=A0 =C2=A0937 Mbits/sec=C2=A0 894/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=
=C2=A0 =C2=A0 =C2=A0 373K/2205 us=C2=A0 53142.12</div><div class=3D"gmail_e=
xtra" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:1=
2.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:nor=
mal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;=
text-transform:none;white-space:normal;word-spacing:0px;background-color:rg=
b(255,255,255);text-decoration-style:initial;text-decoration-color:initial"=
>[=C2=A0 3] 3.00-4.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0938 Mbits/sec=
=C2=A0 895/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2=
194 us=C2=A0 53468.30</div><div class=3D"gmail_extra" style=3D"color:rgb(34=
,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;fon=
t-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-=
spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-s=
pace:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decorat=
ion-style:initial;text-decoration-color:initial">[=C2=A0 3] 4.00-5.00 sec=
=C2=A0 =C2=A0111 MBytes=C2=A0 =C2=A0932 Mbits/sec=C2=A0 889/0=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2181 us=C2=A0 53426.41</div=
><div class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:arial,=
sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal=
;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:=
start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0=
px;background-color:rgb(255,255,255);text-decoration-style:initial;text-dec=
oration-color:initial">[=C2=A0 3] 5.00-6.00 sec=C2=A0 =C2=A0112 MBytes=C2=
=A0 =C2=A0940 Mbits/sec=C2=A0 896/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=
=A0 =C2=A0 =C2=A0 373K/2221 us=C2=A0 52877.31</div><div class=3D"gmail_extr=
a" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8=
px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal=
;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(2=
55,255,255);text-decoration-style:initial;text-decoration-color:initial">[=
=C2=A0 3] 6.00-7.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0940 Mbits/sec=C2=
=A0 896/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2198=
 us=C2=A0 53430.62</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34=
,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-v=
ariant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spa=
cing:normal;text-align:start;text-indent:0px;text-transform:none;white-spac=
e:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration=
-style:initial;text-decoration-color:initial">[=C2=A0 3] 7.00-8.00 sec=C2=
=A0 =C2=A0111 MBytes=C2=A0 =C2=A0933 Mbits/sec=C2=A0 890/0=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2203 us=C2=A0 52952.37</div><d=
iv class=3D"gmail_extra" style=3D"color:rgb(34,34,34);font-family:arial,san=
s-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;fo=
nt-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:sta=
rt;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;=
background-color:rgb(255,255,255);text-decoration-style:initial;text-decora=
tion-color:initial">[=C2=A0 3] 8.00-9.00 sec=C2=A0 =C2=A0111 MBytes=C2=A0 =
=C2=A0934 Mbits/sec=C2=A0 891/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =
=C2=A0 =C2=A0 373K/2169 us=C2=A0 53842.85</div><div class=3D"gmail_extra" s=
tyle=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;f=
ont-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;fon=
t-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-tr=
ansform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,2=
55,255);text-decoration-style:initial;text-decoration-color:initial">[=C2=
=A0 3] 9.00-10.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0941 Mbits/sec=C2=
=A0 897/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2187=
 us=C2=A0 53759.30</div><div class=3D"gmail_extra" style=3D"color:rgb(34,34=
,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-v=
ariant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spa=
cing:normal;text-align:start;text-indent:0px;text-transform:none;white-spac=
e:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration=
-style:initial;text-decoration-color:initial">[=C2=A0 3] 0.00-10.01 sec=C2=
=A0 1.09 GBytes=C2=A0 =C2=A0937 Mbits/sec=C2=A0 8945/0=C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 373K/2189 us=C2=A0 53532.01</div></div>=
</div><div style=3D"font-size:12.8px;text-decoration-style:initial;text-dec=
oration-color:initial"><br><b style=3D"font-size:12.8px;background-color:rg=
b(255,255,255);text-decoration-style:initial;text-decoration-color:initial"=
><u>A=C2=A0 run with BBR,<span>=C2=A0</span><span style=3D"background-color=
:rgb(255,255,0)">netpower 72071</span><br></u></b><span class=3D"gmail-m_79=
00344603733349038gmail-im" style=3D"color:rgb(80,0,80);font-size:12.8px;bac=
kground-color:rgb(255,255,255);text-decoration-style:initial;text-decoratio=
n-color:initial"><br><div>[root@rjm-clubhouse-28 iperf2-code]# iperf -c 192=
.168.100.33 -e -i 1=C2=A0</div><div>------------------------------<wbr>----=
--------------------------</div></span><div style=3D"font-size:12.8px;backg=
round-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-=
color:initial">Client connecting to 192.168.100.33, TCP port 5001 with pid =
18312</div><span class=3D"gmail-m_7900344603733349038gmail-im" style=3D"col=
or:rgb(80,0,80);font-size:12.8px;background-color:rgb(255,255,255);text-dec=
oration-style:initial;text-decoration-color:initial"><div>Write buffer size=
:=C2=A0 128 KByte</div><div>TCP window size:=C2=A0 128 KByte (default)</div=
><div>------------------------------<wbr>------------------------------</di=
v></span><div style=3D"font-size:12.8px;background-color:rgb(255,255,255);t=
ext-decoration-style:initial;text-decoration-color:initial">[=C2=A0 3] loca=
l 192.168.100.10 port 56238 connected with 192.168.100.33 port 5001</div><s=
pan class=3D"gmail-m_7900344603733349038gmail-im" style=3D"color:rgb(80,0,8=
0);font-size:12.8px;background-color:rgb(255,255,255);text-decoration-style=
:initial;text-decoration-color:initial"><div>[ ID] Interval=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 Transfer=C2=A0 =C2=A0 Bandwidth=C2=A0 =C2=A0 =C2=A0 =C2=A0Wri=
te/Err=C2=A0 Rtry=C2=A0 =C2=A0 =C2=A0Cwnd/RTT=C2=A0 =C2=A0 =C2=A0 =C2=A0 Ne=
tPwr</div></span><div style=3D"font-size:12.8px;background-color:rgb(255,25=
5,255);text-decoration-style:initial;text-decoration-color:initial">[=C2=A0=
 3] 0.00-1.00 sec=C2=A0 =C2=A0114 MBytes=C2=A0 =C2=A0956 Mbits/sec=C2=A0 91=
2/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 274K/1644 us=C2=
=A0 72711.47</div><div style=3D"font-size:12.8px;background-color:rgb(255,2=
55,255);text-decoration-style:initial;text-decoration-color:initial">[=C2=
=A0 3] 1.00-2.00 sec=C2=A0 =C2=A0111 MBytes=C2=A0 =C2=A0933 Mbits/sec=C2=A0=
 890/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 271K/1619 us=
=C2=A0 72053.17</div><div style=3D"font-size:12.8px;background-color:rgb(25=
5,255,255);text-decoration-style:initial;text-decoration-color:initial">[=
=C2=A0 3] 2.00-3.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0937 Mbits/sec=C2=
=A0 894/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 274K/1720=
 us=C2=A0 68126.96</div><div style=3D"font-size:12.8px;background-color:rgb=
(255,255,255);text-decoration-style:initial;text-decoration-color:initial">=
[=C2=A0 3] 3.00-4.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0938 Mbits/sec=
=C2=A0 895/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 271K/1=
599 us=C2=A0 73364.25</div><div style=3D"font-size:12.8px;background-color:=
rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initia=
l">[=C2=A0 3] 4.00-5.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0938 Mbits/se=
c=C2=A0 895/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 274K/=
1603 us=C2=A0 73181.19</div><div style=3D"font-size:12.8px;background-color=
:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initi=
al">[=C2=A0 3] 5.00-6.00 sec=C2=A0 =C2=A0111 MBytes=C2=A0 =C2=A0930 Mbits/s=
ec=C2=A0 887/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 271K=
/1609 us=C2=A0 72256.60</div><div style=3D"font-size:12.8px;background-colo=
r:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:init=
ial">[=C2=A0 3] 6.00-7.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0940 Mbits/=
sec=C2=A0 896/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 274=
K/1579 us=C2=A0 74376.51</div><div style=3D"font-size:12.8px;background-col=
or:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:ini=
tial">[=C2=A0 3] 7.00-8.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0937 Mbits=
/sec=C2=A0 894/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 27=
4K/1615 us=C2=A0 72556.27</div><div style=3D"font-size:12.8px;background-co=
lor:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:in=
itial">[=C2=A0 3] 8.00-9.00 sec=C2=A0 =C2=A0112 MBytes=C2=A0 =C2=A0935 Mbit=
s/sec=C2=A0 892/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 2=
74K/1646 us=C2=A0 71030.51</div><div style=3D"font-size:12.8px;background-c=
olor:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:i=
nitial">^C[=C2=A0 3] 0.00-9.49 sec=C2=A0 1.04 GBytes=C2=A0 =C2=A0938 Mbits/=
sec=C2=A0 8489/0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0=C2=A0 =C2=A0 =C2=A0 27=
1K/1627 us=C2=A0 72071.69<br><br>Bob</div></div><br></div>

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